Question

help class's 12, question​

Answer 1

Explanation:

In order to attained minimum separation will be ro/2.

here whole kinetic energy of particle is converted into potential energy of a system.

½ m u² = K 2 (Qq)/ro

u² = 4 K (Qq)/ (ro m)

= Qq/ ( π£omro)

u= [ (Qq) / ( π £omro)]½